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Big Data Technology & Architecture
Big Data Technology & Architecture
Dec 24, 2021 · Big Data

Key Updates and New Features in Apache Flink 1.14.2 Release

The Apache Flink 1.14.2 release, launched on December 16, fixes a critical Log4j vulnerability, resolves OOM issues with the Pulsar connector, introduces numerous Table API, DataStream API, connector, and checkpoint enhancements, deprecates several legacy APIs, and drops support for Apache Mesos, while also promoting related PDF resources.

Apache FlinkBig DataCheckpoints
0 likes · 8 min read
Key Updates and New Features in Apache Flink 1.14.2 Release
Big Data Technology Architecture
Big Data Technology Architecture
Nov 2, 2021 · Big Data

Comprehensive Guide to FlinkSQL and Table API: Background, Dependencies, Planners, and Usage

This article provides a detailed introduction to FlinkSQL, covering its background, the Table API, required dependencies, differences between old and Blink planners, various API usage patterns, connector configurations for CSV, Kafka, Elasticsearch, MySQL, and how to convert between DataStream and Table in Flink's unified batch‑stream processing model.

ConnectorDataStreamFlinkSQL
0 likes · 23 min read
Comprehensive Guide to FlinkSQL and Table API: Background, Dependencies, Planners, and Usage
Big Data Technology & Architecture
Big Data Technology & Architecture
Sep 11, 2021 · Big Data

Deep Dive into Flink Table & SQL Window Functions, UDFs, and Hive Integration

This article provides a comprehensive guide to Flink Table and SQL window semantics—including group, tumbling, sliding, and session windows—covers over windows, demonstrates how to define windows in SQL, explains built‑in functions, shows how to implement scalar, table, aggregate and table‑aggregate UDFs, and details Flink's integration with Hive, complete with Maven dependencies and runnable examples.

FlinkHive IntegrationSQL
0 likes · 27 min read
Deep Dive into Flink Table & SQL Window Functions, UDFs, and Hive Integration
Big Data Technology & Architecture
Big Data Technology & Architecture
Sep 10, 2021 · Big Data

Understanding Flink Table API and SQL: Dependencies, Planners, and Practical Usage

This article provides a comprehensive guide to Apache Flink's Table API and SQL, covering required dependencies, the differences between old and Blink planners, program structure, table environment creation, catalog registration, query execution, conversion between DataStream and Table, update modes, and time attribute handling, with Scala code examples throughout.

FlinkSQLScala
0 likes · 26 min read
Understanding Flink Table API and SQL: Dependencies, Planners, and Practical Usage
Big Data Technology & Architecture
Big Data Technology & Architecture
Aug 25, 2021 · Big Data

Apache Flink Release History and Key Features from 1.7 to 1.12

This article provides a comprehensive overview of Apache Flink's major releases from version 1.7 through 1.12, detailing new functionalities such as Scala 2.12 support, state schema evolution, Blink planner integration, Kubernetes native deployment, Python (PyFlink) enhancements, and numerous performance and stability improvements for stream and batch processing.

Apache FlinkKubernetesPyFlink
0 likes · 54 min read
Apache Flink Release History and Key Features from 1.7 to 1.12
Big Data Technology Architecture
Big Data Technology Architecture
May 22, 2020 · Big Data

Apache Flink 1.11 New Features Overview

The article provides a comprehensive overview of Apache Flink 1.11, detailing enhancements in cluster deployment, resource management, source/sink APIs, state backends, Table & SQL improvements, DataStream extensions, PyFlink/ML support, and runtime optimizations, along with relevant code examples and references.

Apache FlinkFlink 1.11Table API
0 likes · 19 min read
Apache Flink 1.11 New Features Overview
Big Data Technology & Architecture
Big Data Technology & Architecture
May 22, 2019 · Big Data

Key Changes and New Features in Apache Flink 1.8.0 Release

Apache Flink 1.8.0 introduces incremental state cleanup with TTL, updates Hadoop support, deprecates TableEnvironment static methods, adds new Kafka deserialization schema, modifies Maven dependencies, and provides several configuration and Table API enhancements for better stream‑processing performance and compatibility.

Apache FlinkHadoopTable API
0 likes · 7 min read
Key Changes and New Features in Apache Flink 1.8.0 Release
Big Data Technology & Architecture
Big Data Technology & Architecture
Mar 22, 2019 · Big Data

Weekly Knowledge Points: Apache Flink Continuous Queries, Kafka Connectors, SQL Overview, JOIN Operator, and Table API

This weekly briefing introduces Apache Flink's continuous query mechanism, demonstrates how to integrate Kafka as a DataStream connector, provides an overview of Flink SQL features, explains the implementation and optimization of dual‑stream JOIN operators, and showcases the Table API with end‑to‑end examples.

Apache FlinkBig DataSQL
0 likes · 3 min read
Weekly Knowledge Points: Apache Flink Continuous Queries, Kafka Connectors, SQL Overview, JOIN Operator, and Table API
Big Data Technology & Architecture
Big Data Technology & Architecture
Mar 21, 2019 · Big Data

Apache Flink Table API Tutorial and End‑to‑End Examples

This article provides a comprehensive tutorial on Apache Flink's Table API, explaining its concepts, core features, and a wide range of operators such as SELECT, WHERE, GROUP BY, UNION, JOIN, and various window functions, while offering complete Scala code examples, custom sources, sinks, and an end‑to‑end job that computes page‑view counts per region using event‑time tumbling windows.

Big DataFlinkSQL
0 likes · 36 min read
Apache Flink Table API Tutorial and End‑to‑End Examples